Comparison

Whois Master vs QR Code Scanner

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Whois Master

This utility app allows users to perform comprehensive web lookups. It provides access to domain information, DNS records, SSL certificate details, and IP address tracking. It's designed to be a fast, reliable, and user-friendly tool for exploring essential web data.

Highlights
  • Domain lookups
  • DNS record access
  • SSL certificate details
  • IP address tracking
  • User-friendly interface
Features
Read full description

Whois Master is the fast, no-nonsense toolbox for anyone who works with domains, servers and networks. Look up who owns a domain, when it expires, where it points and whether its certificate is healthy — all from your iPhone, in seconds. DOMAIN WHOIS • Registrar, creation, update and expiry dates • Days until expiry, with a warning when a domain is about to lapse • Domain age at a glance • Name servers and status codes • Works with hundreds of extensions, including .com, .net, .org, .io, .co, .me, .dev, .app and country domains such as .tr and .co.uk • International (IDN) domains supported • Paste a full URL and it is trimmed to the domain for you DNS LOOKUP • A, AAAA, CNAME, MX, NS and TXT records • Results grouped by record type and easy to scan SSL CERTIFICATE CHECKER • Valid, expiring or expired at a glance, with the reason when something is wrong • Issuer, subject, validity period and days remaining • TLS version, HSTS and signature algorithm • All domains covered by the certificate • Serial number and SHA-256 fingerprint IP LOOKUP • Your own public IP address, with one tap to copy • Look up any IPv4 or IPv6 address • Hostname, city, region, country, organization (ASN), postal code and time zone • Location shown on a map BUILT FOR DAILY USE • Long-press any value to copy it • Clear error messages when a registry does not respond • Full dark mode support • Clean, native iOS design • No account, no sign-up Whether you are a developer, system administrator, domain investor or just curious about a website, Whois Master gives you the answers without the clutter.

About

QR Code Scanner

Easily scan QR codes, barcodes, documents, and business cards. Generate custom QR codes for various information and keep a history of all your scans. Unlock advanced features with a Pro subscription.

Highlights
  • Instant QR and barcode scanning
  • Custom QR code generation
  • Business card scanning to contacts
  • Document scanning and PDF export
  • Batch scanning for multiple codes
  • Scan history organization
Features
Read full description

QR Code Scanner-Barcode Scan is a fast, reliable QR scanner and barcode reader designed to make scanning, creating, and organizing codes simple. Scan QR codes, barcodes, documents, business cards, text, and more with your iPhone in seconds. INSTANT QR & BARCODE READER Point your iPhone camera at a QR code or barcode and scan instantly. Quickly open links, read product information, access text, and retrieve code details without unnecessary steps. Whether you need a QR code reader for everyday use or a barcode scanner for products, everything is right at your fingertips. CREATE CUSTOM QR CODES Use the built-in QR generator and QR code maker to create codes for URLs, Wi-Fi networks, contacts, text, and other information. Create and share QR codes whenever you need them, with additional customization options available with Pro. BUSINESS CARD SCANNER Turn physical business cards into useful digital contacts. Scan a business card and extract important information such as names, phone numbers, email addresses, and company details, making it easier to save and organize contacts. DOCUMENT SCANNER Capture documents directly from your iPhone and create clean digital copies. Scan multiple pages, organize your documents, and export them as shareable PDFs with Pro. BATCH SCANNING Need to scan multiple codes? Keep the camera active and scan one code after another without repeatedly opening the scanner. Batch scanning makes processing multiple QR codes and barcodes faster and more convenient. SCAN HISTORY Your previous scans are organized in one place, making it easy to find codes and information again. Keep your scan history available whenever you need to revisit a QR code, barcode, document, or text result. GO PRO Unlock the complete scanning experience with: • PDF export • Multi-page document scanning • Business card scanning and contact extraction • Custom QR code colors • Continuous batch scanning • Ad-free scanning Choose Monthly, Yearly, or Lifetime access and unlock the features you need. QR Code Scanner-Barcode Scan is built for anyone who wants a simple QR scanner, barcode reader, document scanner, and QR generator in one clean app. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current subscription period. Manage or cancel your subscription anytime through your App Store account settings. Terms of Use: https://redizeuz.com/terms Privacy Policy: https://redizeuz.com/privacy

Screenshots

Whois Master4 screens
QR Code Scanner4 screens

Verdict

The call

The clearest difference is in-app purchases: Whois Master at none against QR Code Scanner's 2. Whois Master also leads on ads (none vs shown). QR Code Scanner's advantage is update cadence (weekly vs every 2 weeks). On price, review sentiment, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. QR Code Scanner sells 2 in-app purchases, starting at $9.99 per month. Whois Master asks for nothing beyond the download.

UpkeepUpdate frequency

Whois Master ships an update every 2 weeks, QR Code Scanner weekly. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

Scorecard4 real differences · 6 level
Whois Master versus QR Code Scanner: the parameters behind the verdict, then further details
ParameterWhois MasterQR Code Scanner
PriceFreeFree
Rating—5.0 (4 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—4 — better
Update frequencyEvery 2 weeksWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.5 — better
Further details — not scored
Size5 MB77 MB
Age rating4+4+
DeveloperEmre KelesEbenezer Oteng

Customer experience

Whois Master

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

QR Code Scanner

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Whois Master

No in-app purchases

2 purchases

QR Code Scanner

Subscriptions1
  • Monthly Subscription$9.991 Month
One-time1
  • Lifetime$9.99

Questions

Is Whois Master free?
Whois Master is free to download, with no in-app purchases.
Is QR Code Scanner free?
QR Code Scanner is free to download, with in-app purchases available.
Do Whois Master or QR Code Scanner have ads?
QR Code Scanner shows ads; Whois Master does not.
Which is updated more often, Whois Master or QR Code Scanner?
Whois Master ships an update every 2 weeks, and QR Code Scanner weekly. Most recently, Whois Master was updated on October 6, 2026 and QR Code Scanner on October 13, 2026.

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